Cited by 113Diabetes Management and ResearchDiabetes Management and EducationNeurological and metabolic disorders

Recovery of cognitive function and mood after severe hypoglycemia in adults with insulin-treated diabetes

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Strachan, M W, Deary, I J, Ewing, F M, Frier, B M·2000·Diabetes Care

Abstract

OBJECTIVE: Acute hypoglycemia in humans impairs cognitive functions and alters mood states. The time required for cognitive functions and moods to return to normal after an acute episode of severe hypoglycemia is unknown. RESEARCH DESIGN AND METHODS: Cognitive functions and moods were studied prospectively in 20 subjects with insulin-treated diabetes who had recently experienced a spontaneous episode of severe hypoglycemia ("hypo" subjects) and 20 matched control subjects with insulin-treated diabetes who had not experienced severe hypoglycemia during the preceding year. The hypo subjects had a history of a greater number of episodes of severe hypoglycemia (P = 0.000). Cognitive function tests and mood scales were administered at 1.5, 9, and 30 days after the severe hypoglycemia and at similar intervals for the control subjects. RESULTS: For most of the cognitive tests, no evidence of a "hangover" effect of the acute hypoglycemia on cognitive function was observed (P > 0.05). A trend was noted for levels of hedonic tone (P = 0.082) and energetic arousal (P = 0.053) to improve with time in the hypo subjects but not in the control subjects. However, the hypo subjects had chronically elevated levels of depression (P = 0.011) and anxiety (P = 0.049) and persistently performed more poorly in several cognitive tests, such as the Digit Symbol Test (P = 0.009) and the Stroop Task (P = 0.007). CONCLUSIONS: These results suggest that, in general, recovery from any acute cognitive decrement after severe hypoglycemia was complete by 1.5 days. The cognitive decrements and altered mood states noted in the hypo subjects may be persistent and may be a consequence of previous exposure to recurrent episodes of severe hypoglycemia.

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  • Patients with recurrent hypoglycemia have been found to have chronic mood disorders including depression and anxiety, although it is hard to establish cause and effect between hypoglycemia and mood changes.

    “Patients with recurrent hypoglycemia have been found to have chronic mood disorders including depression and anxiety (85,86), although it is hard to establish cause and effect between hypoglycemia and mood changes.”
  • Patients with recurrent hypoglycemia have been found to have chronic mood disorders including depression and anxiety, although it is hard to establish cause and effect between hypoglycemia and mood changes.

    “Patients with recurrent hypoglycemia have been found to have chronic mood disorders including depression and anxiety (85,86), although it is hard to establish cause and effect between hypoglycemia and mood changes.”

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Authors
Strachan, M. W., Deary, I. J., Ewing, F. M., & Frier, B. M.
Affiliations
Edinburgh Royal Infirmary (GB)
Venue
Diabetes Care
Published
2000-03-01
Volume
23
Issue
3
Pages
305-312
ISSN
  • 0149-5992 (ISSN-L)
  • 1935-5548
OpenAlex
W2107051924
Cited by
113
References
9
Citations by year
2026: 3 · 2025: 1 · 2024: 2 · 2023: 4 · 2022: 2 · 2021: 5 · 2020: 3 · 2019: 3 · 2018: 5 · 2017: 4 · 2016: 8 · 2015: 7 · 2014: 7 · 2013: 6 · 2012: 3
FWCI
2.42
Type
journal article
Language
en
Open access
Locations
  • Diabetes Care (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Education
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Neurological and metabolic disorders
Keywords
severe hypoglycemia, cognitive function, mood, insulin-treated diabetes, depression, anxiety, hedonic tone, energetic arousal, recurrent hypoglycemia, Stroop task, digit symbol test
MeSH terms
Adult, Affect, Blood Glucose, Cognition, Diabetes Mellitus, Type 1, Female, Humans, Hypoglycemia, Insulin, Intelligence, Male, Memory, Neuropsychological Tests, Time Factors, Wechsler Scales

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